A strategy to facilitate reuse of palladium catalyst stabilized by block copolymer micelles

作者：Jiang, Xiaowei; Wei, Guanwei; Zhang, Xu; Zhang, Wangqing^*; Zheng, Peiwen; Wen, Fei; Shi, Linqi

来源：Journal of Molecular Catalysis A: Chemical , 2007, 277(1-2): 102-106.

DOI：10.1016/j.molcata.2007.07.021

• block copolymers
• microspheres
• micelles
• palladium
• raspberry-like colloid
• Suzuki reaction

A strategy to facilitate reuse of palladium catalyst stabilized by block copolymer micelles is proposed. Following this strategy, the polystyrene-b-poly(4-vinyl pyridine) micelles were firstly anchored on the surface of polystyrene-co-poly(methyl acrylic acid) core-shell microspheres to form raspberry-like colloid. Then the raspberry-like colloid was used as scaffold to support colloidal palladium catalyst. The resultant raspberry-like colloid supported palladium catalyst, which showed similar activity to the catalyst stabilized by block copolymer micelles and much improved recoverability, was demonstrated to be a good alternative for Suzuki reaction either performed in water or in DMF/water.

• 出版日期2007-11-16
• 单位南开大学